How Much Do Occupational Therapy Assistants Make in Illinois?
Median wage from BLS May 2025 — and the after-tax number the salary sites skip. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data and 2026 tax law, the median Occupational Therapy Assistants in Illinois earns $64,120 per year and takes home $50,671 ($4,223/month) — a keep-rate of 79%, with 2,470 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $5,343.33 |
| Federal income tax | $459.53 |
| Social Security | $331.29 |
| Medicare | $77.48 |
| Illinois state income tax | $252.43 |
| You keep | $4,222.61 |
How much do Occupational Therapy Assistants make in Illinois?
The median Occupational Therapy Assistants in Illinois earns $64,120 per year (BLS May 2025), about $30.83 per hour.
What is that after taxes?
$64,120 gross in Illinois keeps $50,671 after federal income tax ($5,514), FICA ($4,905) and state income tax ($3,029) — $4,223 per month, a 79% keep-rate.
How does Illinois compare to the national median for Occupational Therapy Assistants?
The Illinois median is $8,180 below the national median of $72,300.
Which state pays Occupational Therapy Assistants the most?
Maryland has the highest median gross for Occupational Therapy Assistants at $82,010 — but compare take-home, not gross: state taxes change the order.
Occupational Therapy Assistants salary in every state · Illinois paycheck calculator · Illinois minimum wage